Joining & Assembly (Junior Cert Engineering): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
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Practise the cards
15 cards from this deck
What do taps create inside holes?
What do taps create inside holes?
Internal threads
Process of creating internal threads with taps
Process of creating internal threads with taps
Tapping
Length of taper on taper tap
Length of taper on taper tap
8-10 threads
Which tap does most heavy cutting work?
Which tap does most heavy cutting work?
Second tap
Plug tap purpose
Plug tap purpose
Finishing threads, esp. in blind holes
Correct sequence of tap use
Correct sequence of tap use
Taper, then second, then plug
Material taps are made from
Material taps are made from
High-speed steel
Two purposes of tap flutes
Two purposes of tap flutes
Cutting edges & chip collection/escape
Tool used to rotate taps
Tool used to rotate taps
Tap wrench
Tapping size hole compared to tap size
Tapping size hole compared to tap size
Slightly smaller
Angle tap must be held at to work surface
Angle tap must be held at to work surface
90 degrees (perpendicular)
Forward-reverse tapping pattern
Forward-reverse tapping pattern
Half turn clockwise, quarter turn back to break chips
Definition of blind hole
Definition of blind hole
Hole that doesn't go completely through material
Main cause of broken tap
Main cause of broken tap
Drilling tapping hole too small
Cause of shallow thread
Cause of shallow thread
Drilling tapping hole too large